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You can secure your viewstate values by encryption (or) tamper proofing
To achieve this you need to include the following in your pages/application:
<%@Page EnableViewStateMAC=true %> ->this is tamper proofing
Gautham
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Hi,thanks for your reply..
But i want to know how it help to secure ..usualy view state value is stored in base64 encoding and anybody can decode it also..using this proofing how it differ from the usual method....please explain a bit..
regards
alex.
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I AM working in asp.net 2.0 and using javascripting to validate the pages.
i am getting javascripting error invalid arguments how to solve this .
thanks in advance
urgent.
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May be you are not passing enough number of arguments when calling the javascript function!
If possible post the javascript function you have written along with how you are calling that function from your application.
Gautham
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how do we display a imagebutton in asp.net.it does show a small box with a cross on it but doesnt display the image of the button.though the functionality behind the button wrks just fine.
bia ali
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hi,
for that u have to set property of image button.
give image url to imagebutton..
Thanks,
Sun Rays
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the path that it allows me for picking the pick url is the folder in which the project is lying and even if the image is pasted in that folder still it doent show that image in pick url window for me to select it and if i write it myself then it gives me an error: image not found
bia ali
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You need to include the image folder into your web site and then include the image into you web site. If the image is out side your web site the web site doesn't have access to the image. Also if you don't include the image with the web site when you deploy the web site the image won't get deployed with it.
Ben
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Change the tag's src attribute to point to the location of the image you want to display.
Another reason why it's not being displayed is that the path to the image may be wrong.
You don't have to be AFRAID!
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how can we enable GridView in asp.net2005
thanx in advance
regards,
MARIA UPPAL
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what do u mean by enable ?
Thanks,
Sun Rays
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maria uppal wrote: how can we enable GridView in asp.net2005
By the above statement I understand that you want to use Gridview.
To use it you just have to drag and drop a Gridview on your Design pane.
And then bind it to a datasource. That is all you have to do to make it work.
Hope it helps....
You don't have to be AFRAID!
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anyone can help?
'/aspx' 應用程式中發生伺服器錯誤。
-----------------------------------------------------------------------------
DataBinding: 'System.Data.DataRowView' 沒有包含名為 '書名' 的屬性。
描述: 在執行目前 Web 要求的過程中發生未處理的例外情形。請檢閱堆疊追蹤以取得錯誤的詳細資訊，以及在程式碼中產生的位置。
例外詳細資訊: System.Web.HttpException: DataBinding: 'System.Data.DataRowView' 沒有包含名為 '書名' 的屬性。
原始程式錯誤:
只有在偵錯模式編譯時，才可以顯示產生此未處理例外狀況的原始程式碼。若要啟動，請依照下列步驟之一，然後要求 URL:
1. 將 "Debug=true" 指示詞加入產生錯誤的程式碼頂端。例如:
<%@ Page Language="C#" Debug="true" %>
或:
2. 將下列區段加入您應用程式的組態檔:
<configuration>
<system.web>
<compilation debug="true">
請注意: 第二種技巧會導致在偵錯模式下編譯指定應用程式中的所有檔案。第一種技巧只會造成在偵錯模式下編譯該特定檔案。
重要資訊: 在偵錯模式下執行應用程式會過度耗用記憶體/效能。在實際執行部署之前，應該先確認應用程式已經停止偵錯。
堆疊追蹤:
[HttpException (0x80004005): DataBinding: 'System.Data.DataRowView' 沒有包含名為 '書名' 的屬性。]
Microsoft.VisualBasic.CompilerServices.Container.InvokeMethod(Method TargetProcedure, Object[] Arguments, Boolean[] CopyBack, BindingFlags Flags) +272
Microsoft.VisualBasic.CompilerServices.NewLateBinding.CallMethod(Container BaseReference, String MethodName, Object[] Arguments, String[] ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack, BindingFlags InvocationFlags, Boolean ReportErrors, ResolutionFailure& Failure) +196
Microsoft.VisualBasic.CompilerServices.NewLateBinding.LateCall(Object Instance, Type Type, String MemberName, Object[] Arguments, String[] ArgumentNames, Type[] TypeArguments, Boolean[] CopyBack, Boolean IgnoreReturn) +216
ASP.bookstore_default_aspx.Data_Bind(DataView DView, Object BindObject) +91
ASP.bookstore_default_aspx.Cart_Add(String Title, String Price) +823
ASP.bookstore_default_aspx.AddBookToCart(Object sender, DataGridCommandEventArgs e) +247
System.Web.UI.WebControls.DataGrid.OnItemCommand(DataGridCommandEventArgs e) +105
System.Web.UI.WebControls.DataGrid.OnBubbleEvent(Object source, EventArgs e) +77
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +35
System.Web.UI.WebControls.DataGridItem.OnBubbleEvent(Object source, EventArgs e) +117
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +35
System.Web.UI.WebControls.LinkButton.OnCommand(CommandEventArgs e) +115
System.Web.UI.WebControls.LinkButton.RaisePostBackEvent(String eventArgument) +163
System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +174
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102
--------------------------------------------------------------------------------
版本資訊: Microsoft .NET Framework 版本:2.0.50727.42; ASP.NET 版本:2.0.50727.210
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Dear friends,
i have problem in accessing the controls added in webpart declarative catalogue,in what event on webpart , i can define and add the controls in declarative catalogue part.
i hope i will get answer from your side.
Best regards
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Hi,
I have an Asp.Net application that gets price feeds for different stocks via a dll-binary.
When running the application in visual studios built-in ASP.NET Development Server, it works fine, but when i publish the application the function that gets the feed doesn't work. To be sure i set impersonate to true and run as a local administrator but it still wont work.
What else is the difference between running an application in IIS and in visual studios built-in ASP.NET Development Server that could cause a problem as this.
Im thankfull for every tip i can get.
Regards
Hmitosh
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but what problem? is access denied?
<< >>
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The problem is that the method returns 0 instruments instead
of 1 as it is supposed to. It executes the method so there doesn't seem to be an access problem. The object containing the method is a legacy com object. Could it be that IIS has problems running COM-objects.
Regards
Hmitosh
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Apparantly the COM object is listening on a port for incoming data.
could it be that IIS blocks the port. In that case is there a way to ublock the port.
Regards
Hmitosh
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if so, you can check your COM able to listen successfully on that port? or it's already registered by another program? or it's blocked by some firewall or something like that...only you might know
<< >>
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I forfot to say. But it works fine when i run in Visual Studio Built in Web Server, it doesn't work when i run it on IIS on the same computer. That means that there is some difference in the way the theese two web services works.
My thought was that there is a problem having a com object running in IIS that listens on a another port but i havent been able to find out.
Regards
Hmitosh
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Hi All
I have a problem with maintaining view state in WebCustomControl.
The problem is that i want to create a generic search control.
All controls that is used in search criteria is passed from hosting page
e.g
TextBox txt1 = new TextBox();
TextBox txt2 = new TextBox();
TextBox txt3 = new TextBox();
Control[] c ={ txttest, txt1, txt2, txt3 };
SearchControl.WebCustomControl1.AddControls(c);
Where Add control is Satic method in webcustom control
its code is as
public static void AddControls(Control[] Controls)
{
UIControls = Controls;
}
where UIControls is static Control array defined in Custom control
I then Render the control as
protected override void RenderContents(HtmlTextWriter output)
{
output.Write("");
for (int i = 0; i < UIControls.Length; i++)
{
output.Write(" ");
output.Write(" ");
output.Write(" ");
}
output.Write(" ");
output.Write(" ");
output.Write(" ");
output.Write("");
UIControls[i].RenderControl(output);
output.Write(" | ");
output.Write("");
output.Write("");
output.Write(" |
");
}
Now the problem is that when i access any of the control, its value is lost!
Any one that can help me plz
regards
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Is there a way to access the .Text value of a Textbox control on the Masterpage from one/all of its Contentpages. If not, what is the best way to share data between pages.
I am using VWD Express.
Thanks,
RickD
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If you set the MasterType Page directive, then your page will know what kind of master page it is in. Then you should be able to access controls on the master page.
<%@ MasterType virtualpath="~/Masters/Master1.master" %>
Here is some sample code from microsoft help:
Visual Basic
<pre>
Sub Page_Load()
Dim mpContentPlaceHolder As ContentPlaceHolder
Dim mpTextBox As TextBox
mpContentPlaceHolder = _
CType(Master.FindControl("ContentPlaceHolder1"), _
ContentPlaceHolder)
If Not mpContentPlaceHolder Is Nothing Then
mpTextBox = CType(mpContentPlaceHolder. _
FindControl("TextBox1"), TextBox)
If Not mpTextBox Is Nothing Then
mpTextBox.Text = "TextBox found!"
End If
End If
' Gets a reference to a Label control not in a
' ContentPlaceHolder
Dim mpLabel As Label
mpLabel = CType(Master.FindControl("masterPageLabel"), Label)
If Not mpLabel Is Nothing Then
Label1.Text = "Master page label = " + mpLabel.Text
End If
End Sub
</pre>
C#
<pre>
void Page_Load()
{
// Gets a reference to a TextBox control inside
// a ContentPlaceHolder
ContentPlaceHolder mpContentPlaceHolder;
TextBox mpTextBox;
mpContentPlaceHolder =
(ContentPlaceHolder)Master.FindControl("ContentPlaceHolder1");
if(mpContentPlaceHolder != null)
{
mpTextBox =
(TextBox) mpContentPlaceHolder.FindControl("TextBox1");
if(mpTextBox != null)
{
mpTextBox.Text = "TextBox found!";
}
}
// Gets a reference to a Label control that not in
// a ContentPlaceHolder
Label mpLabel = (Label) Master.FindControl("masterPageLabel");
if(mpLabel != null)
{
Label1.Text = "Master page label = " + mpLabel.Text;
}
}
</pre>
Hope that helps.
Ben
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Thanks Ben,
That did the trick....
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